The LiBr absorption chiller is tailor-made and professionally customized production for the project, which has a number of complex requirements in design, process and supporting devices, such as all electrical parts requiring explosion-proof grade and electric control cabinet requiring triple protection. Most of state-owned enterprises like Tianjin Petrochemical are similar with overseas customers of Hope Deepblue, who have a strict requirements in all aspects, such as contract execution, supplier choosing, production inspection etc,. After the user completes a series of work such as supervising the production process, third-party witnessing performance testing, and design data reviewing in the Hope Deerpblue factory, the installation and commissioning of the two LiBr absorption chiller were completed recently, and the acceptance was successfully completed.